b706d94589709d3b5434587279cd79984d7e25bcc2ff1cfc80d9febba3337325

Analysis

max time kernel
15s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 01:52

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General

Target

b706d94589709d3b5434587279cd79984d7e25bcc2ff1cfc80d9febba3337325.dll
Size

76KB
MD5

830fe80187995d5dd9ec9b1615138469
SHA1

c7e6e6ea6cfe3eb0322babe40ff188ff798b6137
SHA256

b706d94589709d3b5434587279cd79984d7e25bcc2ff1cfc80d9febba3337325
SHA512

1ad2f9f032d4a07f127872712ed6a3277c708983e68a2247a09935818312f2041ee91c2751735ab88c11f60ef1c91eb7fb4c2e6dfda63cc5b3fc94e13b74f824
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZTe9hW8fC4/:c8y93KQjy7G55riF1cMo03te9w6CI

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2104-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2104-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2104-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1280	2104	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2104	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 2104	2292	rundll32.exe	30
PID 2292 wrote to memory of 2104	2292	rundll32.exe	30
PID 2292 wrote to memory of 2104	2292	rundll32.exe	30
PID 2292 wrote to memory of 2104	2292	rundll32.exe	30
PID 2292 wrote to memory of 2104	2292	rundll32.exe	30
PID 2292 wrote to memory of 2104	2292	rundll32.exe	30
PID 2292 wrote to memory of 2104	2292	rundll32.exe	30
PID 2104 wrote to memory of 1280	2104	rundll32.exe	31
PID 2104 wrote to memory of 1280	2104	rundll32.exe	31
PID 2104 wrote to memory of 1280	2104	rundll32.exe	31
PID 2104 wrote to memory of 1280	2104	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b706d94589709d3b5434587279cd79984d7e25bcc2ff1cfc80d9febba3337325.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b706d94589709d3b5434587279cd79984d7e25bcc2ff1cfc80d9febba3337325.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2104
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 272
    3⤵
    - Program crash
    PID:1280

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2104-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2104-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2104-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2104-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download